Source : Webster's Revised Unabridged Dictionary (1913)

Importunate \Im*por"tu*nate\, a. [See {Importune}.]
   1. Troublesomely urgent; unreasonably solicitous;
      overpressing in request or demand; urgent; teasing; as, an
      impotunate petitioner, curiosity. --Whewell.

   2. Hard to be borne; unendurable. [R.] --Donne. --
      {Im*por"tu*nate*ly}, adv. -- {Im*por"tu*nate*ness}, n.

Source : WordNet®

importunately
     adv : in a beseeching manner; "`You must help me,' she said
           imploringly" [syn: {beseechingly}, {imploringly}, {pleadingly},
            {entreatingly}]